The branch main has been updated by obrien:
URL:
https://cgit.FreeBSD.org/src/commit/?id=9a01a25516367d1deeb48484d38a66137b01ebb0
commit 9a01a25516367d1deeb48484d38a66137b01ebb0
Author: David E. O'Brien <obr...@freebsd.org>
AuthorDate: 2021-01-14 04:45:54 +0000
Commit: David E. O'Brien <obr...@freebsd.org>
CommitDate: 2021-01-14 06:35:22 +0000
unifdef -D__FreeBSD__ to remove the OpenBSD support
OpenBSD never accepted this driver, and instead wrote their
own minimal one (sys/dev/acpi/tpm.c for suspending the device).
Reviewed by: stevek, emaste
Differential Revision: D10321
---
sys/dev/tpm/tpm.c | 199 ------------------------------------------------------
1 file changed, 199 deletions(-)
diff --git a/sys/dev/tpm/tpm.c b/sys/dev/tpm/tpm.c
index a458804d0ac9..21d68012aded 100644
--- a/sys/dev/tpm/tpm.c
+++ b/sys/dev/tpm/tpm.c
@@ -27,7 +27,6 @@ __FBSDID("$FreeBSD$");
#include <sys/malloc.h>
#include <sys/proc.h>
-#ifdef __FreeBSD__
#include <sys/module.h>
#include <sys/conf.h>
#include <sys/uio.h>
@@ -41,24 +40,8 @@ __FBSDID("$FreeBSD$");
#include <isa/isareg.h>
#include <isa/isavar.h>
-#else
-#include <sys/device.h>
-
-#include <machine/cpu.h>
-#include <machine/bus.h>
-#include <machine/intr.h>
-#include <machine/conf.h>
-
-#include <dev/isa/isareg.h>
-#include <dev/isa/isavar.h>
-#endif
#include <dev/tpm/tpmvar.h>
-#ifndef __FreeBSD__
-/* XXX horrible hack for tcsd (-lpthread) workaround on OpenBSD */
-#undef PCATCH
-#define PCATCH 0
-#endif
#define TPM_BUFSIZ 1024
@@ -66,9 +49,7 @@ __FBSDID("$FreeBSD$");
#define TPM_PARAM_SIZE 0x0001
-#ifdef __FreeBSD__
#define IRQUNK -1
-#endif
#define TPM_ACCESS 0x0000 /* access register */
#define TPM_ACCESS_ESTABLISHMENT 0x01 /* establishment */
@@ -146,7 +127,6 @@ __FBSDID("$FreeBSD$");
/* Set when enabling legacy interface in host bridge. */
int tpm_enabled;
-#ifdef __FreeBSD__
#define TPMSOFTC(dev) \
((struct tpm_softc *)dev->si_drv1)
@@ -166,21 +146,6 @@ static struct cdevsw tpm_cdevsw = {
.d_ioctl = tpmioctl,
.d_name = "tpm",
};
-#else
-#define TPMSOFTC(dev) \
- (struct tpm_softc *)device_lookup(&tpm_cd, minor(dev))
-
-struct cfdriver tpm_cd = {
- NULL, "tpm", DV_DULL
-};
-
-int tpm_match(device_t , void *, void *);
-void tpm_attach(device_t , device_t , void *);
-
-struct cfattach tpm_ca = {
- sizeof(struct tpm_softc), tpm_match, tpm_attach
-};
-#endif
const struct {
u_int32_t devid;
@@ -206,14 +171,7 @@ int tpm_tis12_read(struct tpm_softc *, void *, int, size_t
*, int);
int tpm_tis12_write(struct tpm_softc *, void *, int);
int tpm_tis12_end(struct tpm_softc *, int, int);
-#ifdef __FreeBSD__
void tpm_intr(void *);
-#else
-int tpm_intr(void *);
-void tpm_powerhook(int, void *);
-int tpm_suspend(struct tpm_softc *, int);
-int tpm_resume(struct tpm_softc *, int);
-#endif
int tpm_waitfor_poll(struct tpm_softc *, u_int8_t, int, void *);
int tpm_waitfor_int(struct tpm_softc *, u_int8_t, int, void *, int);
@@ -230,7 +188,6 @@ int tpm_legacy_read(struct tpm_softc *, void *, int, size_t
*, int);
int tpm_legacy_write(struct tpm_softc *, void *, int);
int tpm_legacy_end(struct tpm_softc *, int, int);
-#ifdef __FreeBSD__
/*
* FreeBSD specific code for probing and attaching TPM to device tree.
@@ -329,100 +286,6 @@ tpm_detach(device_t dev)
return 0;
}
-#else
-/*
- * OpenBSD specific code for probing and attaching TPM to device tree.
- */
-int
-tpm_match(device_t parent, void *match, void *aux)
-{
- struct isa_attach_args *ia = aux;
- struct cfdata *cf = match;
- bus_space_tag_t bt = ia->ia_memt;
- bus_space_handle_t bh;
- int rv;
-
- /* There can be only one. */
- if (cf->cf_unit)
- return 0;
-
- if (tpm_legacy_probe(ia->ia_iot, ia->ia_iobase)) {
- ia->ia_iosize = 2;
- return 1;
- }
-
- if (ia->ia_maddr == -1)
- return 0;
-
- if (bus_space_map(bt, ia->ia_maddr, TPM_SIZE, 0, &bh))
- return 0;
-
- if ((rv = tpm_tis12_probe(bt, bh))) {
- ia->ia_iosize = 0;
- ia->ia_msize = TPM_SIZE;
- }
-
- bus_space_unmap(bt, bh, TPM_SIZE);
- return rv;
-}
-
-void
-tpm_attach(device_t parent, device_t self, void *aux)
-{
- struct tpm_softc *sc = (struct tpm_softc *)self;
- struct isa_attach_args *ia = aux;
- bus_addr_t iobase;
- bus_size_t size;
- int rv;
-
- if (tpm_legacy_probe(ia->ia_iot, ia->ia_iobase)) {
- sc->sc_bt = ia->ia_iot;
- iobase = ia->ia_iobase;
- size = ia->ia_iosize;
- sc->sc_batm = ia->ia_iot;
- sc->sc_init = tpm_legacy_init;
- sc->sc_start = tpm_legacy_start;
- sc->sc_read = tpm_legacy_read;
- sc->sc_write = tpm_legacy_write;
- sc->sc_end = tpm_legacy_end;
- } else {
- sc->sc_bt = ia->ia_memt;
- iobase = ia->ia_maddr;
- size = TPM_SIZE;
- sc->sc_init = tpm_tis12_init;
- sc->sc_start = tpm_tis12_start;
- sc->sc_read = tpm_tis12_read;
- sc->sc_write = tpm_tis12_write;
- sc->sc_end = tpm_tis12_end;
- }
-
- if (bus_space_map(sc->sc_bt, iobase, size, 0, &sc->sc_bh)) {
- printf(": cannot map registers\n");
- return;
- }
-
- if ((rv = (sc->sc_init)(sc, ia->ia_irq, sc->sc_dev.dv_xname))) {
- bus_space_unmap(sc->sc_bt, sc->sc_bh, size);
- return;
- }
-
- /*
- * Only setup interrupt handler when we have a vector and the
- * chip is TIS 1.2 compliant.
- */
- if (sc->sc_init == tpm_tis12_init && ia->ia_irq != IRQUNK &&
- (sc->sc_ih = isa_intr_establish(ia->ia_ic, ia->ia_irq, IST_EDGE,
- IPL_TTY, tpm_intr, sc, sc->sc_dev.dv_xname)) == NULL) {
- bus_space_unmap(sc->sc_bt, sc->sc_bh, TPM_SIZE);
- printf("%s: cannot establish interrupt\n",
- sc->sc_dev.dv_xname);
- return;
- }
-
- sc->sc_suspend = PWR_RESUME;
- sc->sc_powerhook = powerhook_establish(tpm_powerhook, sc);
-}
-#endif
/* Probe TPM using TIS 1.2 interface. */
int
@@ -634,16 +497,10 @@ tpm_tmotohz(int tmo)
/* Save TPM state on suspend. */
int
-#ifdef __FreeBSD__
tpm_suspend(device_t dev)
-#else
-tpm_suspend(struct tpm_softc *sc, int why)
-#endif
{
-#ifdef __FreeBSD__
struct tpm_softc *sc = device_get_softc(dev);
int why = 1;
-#endif
u_int8_t command[] = {
0, 193, /* TPM_TAG_RQU_COMMAND */
0, 0, 0, 10, /* Length in bytes */
@@ -668,16 +525,10 @@ tpm_suspend(struct tpm_softc *sc, int why)
* to restore the previously saved state.
*/
int
-#ifdef __FreeBSD__
tpm_resume(device_t dev)
-#else
-tpm_resume(struct tpm_softc *sc, int why)
-#endif
{
-#ifdef __FreeBSD__
struct tpm_softc *sc = device_get_softc(dev);
int why = 0;
-#endif
#ifdef TPM_DEBUG
printf("tpm_resume: resume: %d -> %d\n", sc->sc_suspend, why);
#endif
@@ -687,18 +538,6 @@ tpm_resume(struct tpm_softc *sc, int why)
}
/* Dispatch suspend and resume events. */
-#ifndef __FreeBSD__
-void
-tpm_powerhook(int why, void *self)
-{
- struct tpm_softc *sc = (struct tpm_softc *)self;
-
- if (why != PWR_RESUME)
- tpm_suspend(sc, why);
- else
- tpm_resume(sc, why);
-}
-#endif /* !__FreeBSD__ */
/* Wait for given status bits using polling. */
int
@@ -1074,11 +913,7 @@ tpm_tis12_end(struct tpm_softc *sc, int flag, int err)
return rv;
}
-#ifdef __FreeBSD__
void
-#else
-int
-#endif
tpm_intr(void *v)
{
struct tpm_softc *sc = v;
@@ -1097,11 +932,7 @@ tpm_intr(void *v)
#endif
if (!(r & (TPM_CMD_READY_INT | TPM_LOCALITY_CHANGE_INT |
TPM_STS_VALID_INT | TPM_DATA_AVAIL_INT)))
-#ifdef __FreeBSD__
return;
-#else
- return 0;
-#endif
if (r & TPM_STS_VALID_INT)
wakeup(sc);
@@ -1116,11 +947,7 @@ tpm_intr(void *v)
bus_space_write_4(sc->sc_bt, sc->sc_bh, TPM_INT_STATUS, r);
-#ifdef __FreeBSD__
return;
-#else
- return 1;
-#endif
}
/* Read single byte using legacy interface. */
@@ -1231,9 +1058,6 @@ tpm_legacy_start(struct tpm_softc *sc, int flag)
return rv;
}
-#if defined(TPM_DEBUG) && !defined(__FreeBSD__)
- printf("%s: bits %b\n", sc->sc_dev.dv_xname, r, TPM_LEGACY_BITS);
-#endif
if ((r & (TPM_LEGACY_BUSY|bits)) != bits)
return EIO;
@@ -1305,9 +1129,6 @@ tpm_legacy_end(struct tpm_softc *sc, int flag, int rv)
return rv;
}
-#if defined(TPM_DEBUG) && !defined(__FreeBSD__)
- printf("%s: bits %b\n", sc->sc_dev.dv_xname, r,
TPM_LEGACY_BITS);
-#endif
if (r & TPM_LEGACY_BUSY)
return EIO;
@@ -1319,11 +1140,7 @@ tpm_legacy_end(struct tpm_softc *sc, int flag, int rv)
}
int
-#ifdef __FreeBSD__
tpmopen(struct cdev *dev, int flag, int mode, struct thread *td)
-#else
-tpmopen(dev_t dev, int flag, int mode, struct proc *p)
-#endif
{
struct tpm_softc *sc = TPMSOFTC(dev);
@@ -1339,11 +1156,7 @@ tpmopen(dev_t dev, int flag, int mode, struct proc *p)
}
int
-#ifdef __FreeBSD__
tpmclose(struct cdev *dev, int flag, int mode, struct thread *td)
-#else
-tpmclose(dev_t dev, int flag, int mode, struct proc *p)
-#endif
{
struct tpm_softc *sc = TPMSOFTC(dev);
@@ -1359,11 +1172,7 @@ tpmclose(dev_t dev, int flag, int mode, struct proc *p)
}
int
-#ifdef __FreeBSD__
tpmread(struct cdev *dev, struct uio *uio, int flags)
-#else
-tpmread(dev_t dev, struct uio *uio, int flags)
-#endif
{
struct tpm_softc *sc = TPMSOFTC(dev);
u_int8_t buf[TPM_BUFSIZ], *p;
@@ -1435,11 +1244,7 @@ tpmread(dev_t dev, struct uio *uio, int flags)
}
int
-#ifdef __FreeBSD__
tpmwrite(struct cdev *dev, struct uio *uio, int flags)
-#else
-tpmwrite(dev_t dev, struct uio *uio, int flags)
-#endif
{
struct tpm_softc *sc = TPMSOFTC(dev);
u_int8_t buf[TPM_BUFSIZ];
@@ -1476,12 +1281,8 @@ tpmwrite(dev_t dev, struct uio *uio, int flags)
}
int
-#ifdef __FreeBSD__
tpmioctl(struct cdev *dev, u_long cmd, caddr_t data, int flags,
struct thread *td)
-#else
-tpmioctl(dev_t dev, u_long cmd, caddr_t data, int flags, struct proc *p)
-#endif
{
return ENOTTY;
}
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